TY - RPRT TI - Potentiometric-surface map of the Cockfield aquifer in Mississippi, October through November 1989 AU - William T. Oakley AU - David E. Burt PY - 1994 DO - 10.3133/wri934202 UR - https://pubs.usgs.gov/publication/wri934202 ID - wri934202 ER -